mbed TLS v2.11.0
ssl.h
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1 
6 /*
7  * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
8  * SPDX-License-Identifier: Apache-2.0
9  *
10  * Licensed under the Apache License, Version 2.0 (the "License"); you may
11  * not use this file except in compliance with the License.
12  * You may obtain a copy of the License at
13  *
14  * http://www.apache.org/licenses/LICENSE-2.0
15  *
16  * Unless required by applicable law or agreed to in writing, software
17  * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
18  * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
19  * See the License for the specific language governing permissions and
20  * limitations under the License.
21  *
22  * This file is part of mbed TLS (https://tls.mbed.org)
23  */
24 #ifndef MBEDTLS_SSL_H
25 #define MBEDTLS_SSL_H
26 
27 #if !defined(MBEDTLS_CONFIG_FILE)
28 #include "config.h"
29 #else
30 #include MBEDTLS_CONFIG_FILE
31 #endif
32 
33 #include "bignum.h"
34 #include "ecp.h"
35 
36 #include "ssl_ciphersuites.h"
37 
38 #if defined(MBEDTLS_X509_CRT_PARSE_C)
39 #include "x509_crt.h"
40 #include "x509_crl.h"
41 #endif
42 
43 #if defined(MBEDTLS_DHM_C)
44 #include "dhm.h"
45 #endif
46 
47 #if defined(MBEDTLS_ECDH_C)
48 #include "ecdh.h"
49 #endif
50 
51 #if defined(MBEDTLS_ZLIB_SUPPORT)
52 
53 #if defined(MBEDTLS_DEPRECATED_WARNING)
54 #warning "Record compression support via MBEDTLS_ZLIB_SUPPORT is deprecated and will be removed in the next major revision of the library"
55 #endif
56 
57 #if defined(MBEDTLS_DEPRECATED_REMOVED)
58 #error "Record compression support via MBEDTLS_ZLIB_SUPPORT is deprecated and cannot be used if MBEDTLS_DEPRECATED_REMOVED is set"
59 #endif
60 
61 #include "zlib.h"
62 #endif
63 
64 #if defined(MBEDTLS_HAVE_TIME)
65 #include "mbedtls/platform_time.h"
66 #endif
67 
68 /*
69  * SSL Error codes
70  */
71 #define MBEDTLS_ERR_SSL_FEATURE_UNAVAILABLE -0x7080
72 #define MBEDTLS_ERR_SSL_BAD_INPUT_DATA -0x7100
73 #define MBEDTLS_ERR_SSL_INVALID_MAC -0x7180
74 #define MBEDTLS_ERR_SSL_INVALID_RECORD -0x7200
75 #define MBEDTLS_ERR_SSL_CONN_EOF -0x7280
76 #define MBEDTLS_ERR_SSL_UNKNOWN_CIPHER -0x7300
77 #define MBEDTLS_ERR_SSL_NO_CIPHER_CHOSEN -0x7380
78 #define MBEDTLS_ERR_SSL_NO_RNG -0x7400
79 #define MBEDTLS_ERR_SSL_NO_CLIENT_CERTIFICATE -0x7480
80 #define MBEDTLS_ERR_SSL_CERTIFICATE_TOO_LARGE -0x7500
81 #define MBEDTLS_ERR_SSL_CERTIFICATE_REQUIRED -0x7580
82 #define MBEDTLS_ERR_SSL_PRIVATE_KEY_REQUIRED -0x7600
83 #define MBEDTLS_ERR_SSL_CA_CHAIN_REQUIRED -0x7680
84 #define MBEDTLS_ERR_SSL_UNEXPECTED_MESSAGE -0x7700
85 #define MBEDTLS_ERR_SSL_FATAL_ALERT_MESSAGE -0x7780
86 #define MBEDTLS_ERR_SSL_PEER_VERIFY_FAILED -0x7800
87 #define MBEDTLS_ERR_SSL_PEER_CLOSE_NOTIFY -0x7880
88 #define MBEDTLS_ERR_SSL_BAD_HS_CLIENT_HELLO -0x7900
89 #define MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO -0x7980
90 #define MBEDTLS_ERR_SSL_BAD_HS_CERTIFICATE -0x7A00
91 #define MBEDTLS_ERR_SSL_BAD_HS_CERTIFICATE_REQUEST -0x7A80
92 #define MBEDTLS_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE -0x7B00
93 #define MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO_DONE -0x7B80
94 #define MBEDTLS_ERR_SSL_BAD_HS_CLIENT_KEY_EXCHANGE -0x7C00
95 #define MBEDTLS_ERR_SSL_BAD_HS_CLIENT_KEY_EXCHANGE_RP -0x7C80
96 #define MBEDTLS_ERR_SSL_BAD_HS_CLIENT_KEY_EXCHANGE_CS -0x7D00
97 #define MBEDTLS_ERR_SSL_BAD_HS_CERTIFICATE_VERIFY -0x7D80
98 #define MBEDTLS_ERR_SSL_BAD_HS_CHANGE_CIPHER_SPEC -0x7E00
99 #define MBEDTLS_ERR_SSL_BAD_HS_FINISHED -0x7E80
100 #define MBEDTLS_ERR_SSL_ALLOC_FAILED -0x7F00
101 #define MBEDTLS_ERR_SSL_HW_ACCEL_FAILED -0x7F80
102 #define MBEDTLS_ERR_SSL_HW_ACCEL_FALLTHROUGH -0x6F80
103 #define MBEDTLS_ERR_SSL_COMPRESSION_FAILED -0x6F00
104 #define MBEDTLS_ERR_SSL_BAD_HS_PROTOCOL_VERSION -0x6E80
105 #define MBEDTLS_ERR_SSL_BAD_HS_NEW_SESSION_TICKET -0x6E00
106 #define MBEDTLS_ERR_SSL_SESSION_TICKET_EXPIRED -0x6D80
107 #define MBEDTLS_ERR_SSL_PK_TYPE_MISMATCH -0x6D00
108 #define MBEDTLS_ERR_SSL_UNKNOWN_IDENTITY -0x6C80
109 #define MBEDTLS_ERR_SSL_INTERNAL_ERROR -0x6C00
110 #define MBEDTLS_ERR_SSL_COUNTER_WRAPPING -0x6B80
111 #define MBEDTLS_ERR_SSL_WAITING_SERVER_HELLO_RENEGO -0x6B00
112 #define MBEDTLS_ERR_SSL_HELLO_VERIFY_REQUIRED -0x6A80
113 #define MBEDTLS_ERR_SSL_BUFFER_TOO_SMALL -0x6A00
114 #define MBEDTLS_ERR_SSL_NO_USABLE_CIPHERSUITE -0x6980
115 #define MBEDTLS_ERR_SSL_WANT_READ -0x6900
116 #define MBEDTLS_ERR_SSL_WANT_WRITE -0x6880
117 #define MBEDTLS_ERR_SSL_TIMEOUT -0x6800
118 #define MBEDTLS_ERR_SSL_CLIENT_RECONNECT -0x6780
119 #define MBEDTLS_ERR_SSL_UNEXPECTED_RECORD -0x6700
120 #define MBEDTLS_ERR_SSL_NON_FATAL -0x6680
121 #define MBEDTLS_ERR_SSL_INVALID_VERIFY_HASH -0x6600
122 #define MBEDTLS_ERR_SSL_CONTINUE_PROCESSING -0x6580
123 #define MBEDTLS_ERR_SSL_ASYNC_IN_PROGRESS -0x6500
125 /*
126  * Various constants
127  */
128 #define MBEDTLS_SSL_MAJOR_VERSION_3 3
129 #define MBEDTLS_SSL_MINOR_VERSION_0 0
130 #define MBEDTLS_SSL_MINOR_VERSION_1 1
131 #define MBEDTLS_SSL_MINOR_VERSION_2 2
132 #define MBEDTLS_SSL_MINOR_VERSION_3 3
134 #define MBEDTLS_SSL_TRANSPORT_STREAM 0
135 #define MBEDTLS_SSL_TRANSPORT_DATAGRAM 1
137 #define MBEDTLS_SSL_MAX_HOST_NAME_LEN 255
139 /* RFC 6066 section 4, see also mfl_code_to_length in ssl_tls.c
140  * NONE must be zero so that memset()ing structure to zero works */
141 #define MBEDTLS_SSL_MAX_FRAG_LEN_NONE 0
142 #define MBEDTLS_SSL_MAX_FRAG_LEN_512 1
143 #define MBEDTLS_SSL_MAX_FRAG_LEN_1024 2
144 #define MBEDTLS_SSL_MAX_FRAG_LEN_2048 3
145 #define MBEDTLS_SSL_MAX_FRAG_LEN_4096 4
146 #define MBEDTLS_SSL_MAX_FRAG_LEN_INVALID 5
148 #define MBEDTLS_SSL_IS_CLIENT 0
149 #define MBEDTLS_SSL_IS_SERVER 1
150 
151 #define MBEDTLS_SSL_IS_NOT_FALLBACK 0
152 #define MBEDTLS_SSL_IS_FALLBACK 1
153 
154 #define MBEDTLS_SSL_EXTENDED_MS_DISABLED 0
155 #define MBEDTLS_SSL_EXTENDED_MS_ENABLED 1
156 
157 #define MBEDTLS_SSL_ETM_DISABLED 0
158 #define MBEDTLS_SSL_ETM_ENABLED 1
159 
160 #define MBEDTLS_SSL_COMPRESS_NULL 0
161 #define MBEDTLS_SSL_COMPRESS_DEFLATE 1
162 
163 #define MBEDTLS_SSL_VERIFY_NONE 0
164 #define MBEDTLS_SSL_VERIFY_OPTIONAL 1
165 #define MBEDTLS_SSL_VERIFY_REQUIRED 2
166 #define MBEDTLS_SSL_VERIFY_UNSET 3 /* Used only for sni_authmode */
167 
168 #define MBEDTLS_SSL_LEGACY_RENEGOTIATION 0
169 #define MBEDTLS_SSL_SECURE_RENEGOTIATION 1
170 
171 #define MBEDTLS_SSL_RENEGOTIATION_DISABLED 0
172 #define MBEDTLS_SSL_RENEGOTIATION_ENABLED 1
173 
174 #define MBEDTLS_SSL_ANTI_REPLAY_DISABLED 0
175 #define MBEDTLS_SSL_ANTI_REPLAY_ENABLED 1
176 
177 #define MBEDTLS_SSL_RENEGOTIATION_NOT_ENFORCED -1
178 #define MBEDTLS_SSL_RENEGO_MAX_RECORDS_DEFAULT 16
179 
180 #define MBEDTLS_SSL_LEGACY_NO_RENEGOTIATION 0
181 #define MBEDTLS_SSL_LEGACY_ALLOW_RENEGOTIATION 1
182 #define MBEDTLS_SSL_LEGACY_BREAK_HANDSHAKE 2
183 
184 #define MBEDTLS_SSL_TRUNC_HMAC_DISABLED 0
185 #define MBEDTLS_SSL_TRUNC_HMAC_ENABLED 1
186 #define MBEDTLS_SSL_TRUNCATED_HMAC_LEN 10 /* 80 bits, rfc 6066 section 7 */
187 
188 #define MBEDTLS_SSL_SESSION_TICKETS_DISABLED 0
189 #define MBEDTLS_SSL_SESSION_TICKETS_ENABLED 1
190 
191 #define MBEDTLS_SSL_CBC_RECORD_SPLITTING_DISABLED 0
192 #define MBEDTLS_SSL_CBC_RECORD_SPLITTING_ENABLED 1
193 
194 #define MBEDTLS_SSL_ARC4_ENABLED 0
195 #define MBEDTLS_SSL_ARC4_DISABLED 1
196 
197 #define MBEDTLS_SSL_PRESET_DEFAULT 0
198 #define MBEDTLS_SSL_PRESET_SUITEB 2
199 
200 #define MBEDTLS_SSL_CERT_REQ_CA_LIST_ENABLED 1
201 #define MBEDTLS_SSL_CERT_REQ_CA_LIST_DISABLED 0
202 
203 /*
204  * Default range for DTLS retransmission timer value, in milliseconds.
205  * RFC 6347 4.2.4.1 says from 1 second to 60 seconds.
206  */
207 #define MBEDTLS_SSL_DTLS_TIMEOUT_DFL_MIN 1000
208 #define MBEDTLS_SSL_DTLS_TIMEOUT_DFL_MAX 60000
209 
218 #if !defined(MBEDTLS_SSL_DEFAULT_TICKET_LIFETIME)
219 #define MBEDTLS_SSL_DEFAULT_TICKET_LIFETIME 86400
220 #endif
221 
222 /*
223  * Maxium fragment length in bytes,
224  * determines the size of each of the two internal I/O buffers.
225  *
226  * Note: the RFC defines the default size of SSL / TLS messages. If you
227  * change the value here, other clients / servers may not be able to
228  * communicate with you anymore. Only change this value if you control
229  * both sides of the connection and have it reduced at both sides, or
230  * if you're using the Max Fragment Length extension and you know all your
231  * peers are using it too!
232  */
233 #if !defined(MBEDTLS_SSL_MAX_CONTENT_LEN)
234 #define MBEDTLS_SSL_MAX_CONTENT_LEN 16384
235 #endif
236 
237 /* \} name SECTION: Module settings */
238 
239 /*
240  * Length of the verify data for secure renegotiation
241  */
242 #if defined(MBEDTLS_SSL_PROTO_SSL3)
243 #define MBEDTLS_SSL_VERIFY_DATA_MAX_LEN 36
244 #else
245 #define MBEDTLS_SSL_VERIFY_DATA_MAX_LEN 12
246 #endif
247 
248 /*
249  * Signaling ciphersuite values (SCSV)
250  */
251 #define MBEDTLS_SSL_EMPTY_RENEGOTIATION_INFO 0xFF
252 #define MBEDTLS_SSL_FALLBACK_SCSV_VALUE 0x5600
254 /*
255  * Supported Signature and Hash algorithms (For TLS 1.2)
256  * RFC 5246 section 7.4.1.4.1
257  */
258 #define MBEDTLS_SSL_HASH_NONE 0
259 #define MBEDTLS_SSL_HASH_MD5 1
260 #define MBEDTLS_SSL_HASH_SHA1 2
261 #define MBEDTLS_SSL_HASH_SHA224 3
262 #define MBEDTLS_SSL_HASH_SHA256 4
263 #define MBEDTLS_SSL_HASH_SHA384 5
264 #define MBEDTLS_SSL_HASH_SHA512 6
265 
266 #define MBEDTLS_SSL_SIG_ANON 0
267 #define MBEDTLS_SSL_SIG_RSA 1
268 #define MBEDTLS_SSL_SIG_ECDSA 3
269 
270 /*
271  * Client Certificate Types
272  * RFC 5246 section 7.4.4 plus RFC 4492 section 5.5
273  */
274 #define MBEDTLS_SSL_CERT_TYPE_RSA_SIGN 1
275 #define MBEDTLS_SSL_CERT_TYPE_ECDSA_SIGN 64
276 
277 /*
278  * Message, alert and handshake types
279  */
280 #define MBEDTLS_SSL_MSG_CHANGE_CIPHER_SPEC 20
281 #define MBEDTLS_SSL_MSG_ALERT 21
282 #define MBEDTLS_SSL_MSG_HANDSHAKE 22
283 #define MBEDTLS_SSL_MSG_APPLICATION_DATA 23
284 
285 #define MBEDTLS_SSL_ALERT_LEVEL_WARNING 1
286 #define MBEDTLS_SSL_ALERT_LEVEL_FATAL 2
287 
288 #define MBEDTLS_SSL_ALERT_MSG_CLOSE_NOTIFY 0 /* 0x00 */
289 #define MBEDTLS_SSL_ALERT_MSG_UNEXPECTED_MESSAGE 10 /* 0x0A */
290 #define MBEDTLS_SSL_ALERT_MSG_BAD_RECORD_MAC 20 /* 0x14 */
291 #define MBEDTLS_SSL_ALERT_MSG_DECRYPTION_FAILED 21 /* 0x15 */
292 #define MBEDTLS_SSL_ALERT_MSG_RECORD_OVERFLOW 22 /* 0x16 */
293 #define MBEDTLS_SSL_ALERT_MSG_DECOMPRESSION_FAILURE 30 /* 0x1E */
294 #define MBEDTLS_SSL_ALERT_MSG_HANDSHAKE_FAILURE 40 /* 0x28 */
295 #define MBEDTLS_SSL_ALERT_MSG_NO_CERT 41 /* 0x29 */
296 #define MBEDTLS_SSL_ALERT_MSG_BAD_CERT 42 /* 0x2A */
297 #define MBEDTLS_SSL_ALERT_MSG_UNSUPPORTED_CERT 43 /* 0x2B */
298 #define MBEDTLS_SSL_ALERT_MSG_CERT_REVOKED 44 /* 0x2C */
299 #define MBEDTLS_SSL_ALERT_MSG_CERT_EXPIRED 45 /* 0x2D */
300 #define MBEDTLS_SSL_ALERT_MSG_CERT_UNKNOWN 46 /* 0x2E */
301 #define MBEDTLS_SSL_ALERT_MSG_ILLEGAL_PARAMETER 47 /* 0x2F */
302 #define MBEDTLS_SSL_ALERT_MSG_UNKNOWN_CA 48 /* 0x30 */
303 #define MBEDTLS_SSL_ALERT_MSG_ACCESS_DENIED 49 /* 0x31 */
304 #define MBEDTLS_SSL_ALERT_MSG_DECODE_ERROR 50 /* 0x32 */
305 #define MBEDTLS_SSL_ALERT_MSG_DECRYPT_ERROR 51 /* 0x33 */
306 #define MBEDTLS_SSL_ALERT_MSG_EXPORT_RESTRICTION 60 /* 0x3C */
307 #define MBEDTLS_SSL_ALERT_MSG_PROTOCOL_VERSION 70 /* 0x46 */
308 #define MBEDTLS_SSL_ALERT_MSG_INSUFFICIENT_SECURITY 71 /* 0x47 */
309 #define MBEDTLS_SSL_ALERT_MSG_INTERNAL_ERROR 80 /* 0x50 */
310 #define MBEDTLS_SSL_ALERT_MSG_INAPROPRIATE_FALLBACK 86 /* 0x56 */
311 #define MBEDTLS_SSL_ALERT_MSG_USER_CANCELED 90 /* 0x5A */
312 #define MBEDTLS_SSL_ALERT_MSG_NO_RENEGOTIATION 100 /* 0x64 */
313 #define MBEDTLS_SSL_ALERT_MSG_UNSUPPORTED_EXT 110 /* 0x6E */
314 #define MBEDTLS_SSL_ALERT_MSG_UNRECOGNIZED_NAME 112 /* 0x70 */
315 #define MBEDTLS_SSL_ALERT_MSG_UNKNOWN_PSK_IDENTITY 115 /* 0x73 */
316 #define MBEDTLS_SSL_ALERT_MSG_NO_APPLICATION_PROTOCOL 120 /* 0x78 */
317 
318 #define MBEDTLS_SSL_HS_HELLO_REQUEST 0
319 #define MBEDTLS_SSL_HS_CLIENT_HELLO 1
320 #define MBEDTLS_SSL_HS_SERVER_HELLO 2
321 #define MBEDTLS_SSL_HS_HELLO_VERIFY_REQUEST 3
322 #define MBEDTLS_SSL_HS_NEW_SESSION_TICKET 4
323 #define MBEDTLS_SSL_HS_CERTIFICATE 11
324 #define MBEDTLS_SSL_HS_SERVER_KEY_EXCHANGE 12
325 #define MBEDTLS_SSL_HS_CERTIFICATE_REQUEST 13
326 #define MBEDTLS_SSL_HS_SERVER_HELLO_DONE 14
327 #define MBEDTLS_SSL_HS_CERTIFICATE_VERIFY 15
328 #define MBEDTLS_SSL_HS_CLIENT_KEY_EXCHANGE 16
329 #define MBEDTLS_SSL_HS_FINISHED 20
330 
331 /*
332  * TLS extensions
333  */
334 #define MBEDTLS_TLS_EXT_SERVERNAME 0
335 #define MBEDTLS_TLS_EXT_SERVERNAME_HOSTNAME 0
336 
337 #define MBEDTLS_TLS_EXT_MAX_FRAGMENT_LENGTH 1
338 
339 #define MBEDTLS_TLS_EXT_TRUNCATED_HMAC 4
340 
341 #define MBEDTLS_TLS_EXT_SUPPORTED_ELLIPTIC_CURVES 10
342 #define MBEDTLS_TLS_EXT_SUPPORTED_POINT_FORMATS 11
343 
344 #define MBEDTLS_TLS_EXT_SIG_ALG 13
345 
346 #define MBEDTLS_TLS_EXT_ALPN 16
347 
348 #define MBEDTLS_TLS_EXT_ENCRYPT_THEN_MAC 22 /* 0x16 */
349 #define MBEDTLS_TLS_EXT_EXTENDED_MASTER_SECRET 0x0017 /* 23 */
350 
351 #define MBEDTLS_TLS_EXT_SESSION_TICKET 35
352 
353 #define MBEDTLS_TLS_EXT_ECJPAKE_KKPP 256 /* experimental */
354 
355 #define MBEDTLS_TLS_EXT_RENEGOTIATION_INFO 0xFF01
356 
357 /*
358  * Size defines
359  */
360 #if !defined(MBEDTLS_PSK_MAX_LEN)
361 #define MBEDTLS_PSK_MAX_LEN 32 /* 256 bits */
362 #endif
363 
364 /* Dummy type used only for its size */
366 {
367 #if defined(MBEDTLS_KEY_EXCHANGE_RSA_ENABLED)
368  unsigned char _pms_rsa[48]; /* RFC 5246 8.1.1 */
369 #endif
370 #if defined(MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED)
371  unsigned char _pms_dhm[MBEDTLS_MPI_MAX_SIZE]; /* RFC 5246 8.1.2 */
372 #endif
373 #if defined(MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED) || \
374  defined(MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED) || \
375  defined(MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED) || \
376  defined(MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED)
377  unsigned char _pms_ecdh[MBEDTLS_ECP_MAX_BYTES]; /* RFC 4492 5.10 */
378 #endif
379 #if defined(MBEDTLS_KEY_EXCHANGE_PSK_ENABLED)
380  unsigned char _pms_psk[4 + 2 * MBEDTLS_PSK_MAX_LEN]; /* RFC 4279 2 */
381 #endif
382 #if defined(MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED)
383  unsigned char _pms_dhe_psk[4 + MBEDTLS_MPI_MAX_SIZE
384  + MBEDTLS_PSK_MAX_LEN]; /* RFC 4279 3 */
385 #endif
386 #if defined(MBEDTLS_KEY_EXCHANGE_RSA_PSK_ENABLED)
387  unsigned char _pms_rsa_psk[52 + MBEDTLS_PSK_MAX_LEN]; /* RFC 4279 4 */
388 #endif
389 #if defined(MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED)
390  unsigned char _pms_ecdhe_psk[4 + MBEDTLS_ECP_MAX_BYTES
391  + MBEDTLS_PSK_MAX_LEN]; /* RFC 5489 2 */
392 #endif
393 #if defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED)
394  unsigned char _pms_ecjpake[32]; /* Thread spec: SHA-256 output */
395 #endif
396 };
397 
398 #define MBEDTLS_PREMASTER_SIZE sizeof( union mbedtls_ssl_premaster_secret )
399 
400 #ifdef __cplusplus
401 extern "C" {
402 #endif
403 
404 /*
405  * SSL state machine
406  */
407 typedef enum
408 {
428 }
430 
448 typedef int mbedtls_ssl_send_t( void *ctx,
449  const unsigned char *buf,
450  size_t len );
451 
471 typedef int mbedtls_ssl_recv_t( void *ctx,
472  unsigned char *buf,
473  size_t len );
474 
497 typedef int mbedtls_ssl_recv_timeout_t( void *ctx,
498  unsigned char *buf,
499  size_t len,
500  uint32_t timeout );
523 typedef void mbedtls_ssl_set_timer_t( void * ctx,
524  uint32_t int_ms,
525  uint32_t fin_ms );
526 
538 typedef int mbedtls_ssl_get_timer_t( void * ctx );
539 
540 /* Defined below */
544 
545 /* Defined in ssl_internal.h */
549 #if defined(MBEDTLS_X509_CRT_PARSE_C)
551 #endif
552 #if defined(MBEDTLS_SSL_PROTO_DTLS)
554 #endif
555 
556 #if defined(MBEDTLS_SSL_ASYNC_PRIVATE)
557 #if defined(MBEDTLS_X509_CRT_PARSE_C)
558 
629 typedef int mbedtls_ssl_async_sign_t( mbedtls_ssl_context *ssl,
630  mbedtls_x509_crt *cert,
631  mbedtls_md_type_t md_alg,
632  const unsigned char *hash,
633  size_t hash_len );
634 
695 typedef int mbedtls_ssl_async_decrypt_t( mbedtls_ssl_context *ssl,
696  mbedtls_x509_crt *cert,
697  const unsigned char *input,
698  size_t input_len );
699 #endif /* MBEDTLS_X509_CRT_PARSE_C */
700 
743 typedef int mbedtls_ssl_async_resume_t( mbedtls_ssl_context *ssl,
744  unsigned char *output,
745  size_t *output_len,
746  size_t output_size );
747 
765 typedef void mbedtls_ssl_async_cancel_t( mbedtls_ssl_context *ssl );
766 #endif /* MBEDTLS_SSL_ASYNC_PRIVATE */
767 
768 /*
769  * This structure is used for storing current session data.
770  */
772 {
773 #if defined(MBEDTLS_HAVE_TIME)
775 #endif
778  size_t id_len;
779  unsigned char id[32];
780  unsigned char master[48];
782 #if defined(MBEDTLS_X509_CRT_PARSE_C)
784 #endif /* MBEDTLS_X509_CRT_PARSE_C */
785  uint32_t verify_result;
787 #if defined(MBEDTLS_SSL_SESSION_TICKETS) && defined(MBEDTLS_SSL_CLI_C)
788  unsigned char *ticket;
789  size_t ticket_len;
790  uint32_t ticket_lifetime;
791 #endif /* MBEDTLS_SSL_SESSION_TICKETS && MBEDTLS_SSL_CLI_C */
792 
793 #if defined(MBEDTLS_SSL_MAX_FRAGMENT_LENGTH)
794  unsigned char mfl_code;
795 #endif /* MBEDTLS_SSL_MAX_FRAGMENT_LENGTH */
796 
797 #if defined(MBEDTLS_SSL_TRUNCATED_HMAC)
799 #endif /* MBEDTLS_SSL_TRUNCATED_HMAC */
800 
801 #if defined(MBEDTLS_SSL_ENCRYPT_THEN_MAC)
803 #endif
804 };
805 
810 {
811  /* Group items by size (largest first) to minimize padding overhead */
812 
813  /*
814  * Pointers
815  */
816 
817  const int *ciphersuite_list[4];
820  void (*f_dbg)(void *, int, const char *, int, const char *);
821  void *p_dbg;
824  int (*f_rng)(void *, unsigned char *, size_t);
825  void *p_rng;
828  int (*f_get_cache)(void *, mbedtls_ssl_session *);
830  int (*f_set_cache)(void *, const mbedtls_ssl_session *);
831  void *p_cache;
833 #if defined(MBEDTLS_SSL_SERVER_NAME_INDICATION)
834 
835  int (*f_sni)(void *, mbedtls_ssl_context *, const unsigned char *, size_t);
836  void *p_sni;
837 #endif
838 
839 #if defined(MBEDTLS_X509_CRT_PARSE_C)
840 
841  int (*f_vrfy)(void *, mbedtls_x509_crt *, int, uint32_t *);
842  void *p_vrfy;
843 #endif
844 
845 #if defined(MBEDTLS_KEY_EXCHANGE__SOME__PSK_ENABLED)
846 
847  int (*f_psk)(void *, mbedtls_ssl_context *, const unsigned char *, size_t);
848  void *p_psk;
849 #endif
850 
851 #if defined(MBEDTLS_SSL_DTLS_HELLO_VERIFY) && defined(MBEDTLS_SSL_SRV_C)
852 
853  int (*f_cookie_write)( void *, unsigned char **, unsigned char *,
854  const unsigned char *, size_t );
856  int (*f_cookie_check)( void *, const unsigned char *, size_t,
857  const unsigned char *, size_t );
858  void *p_cookie;
859 #endif
860 
861 #if defined(MBEDTLS_SSL_SESSION_TICKETS) && defined(MBEDTLS_SSL_SRV_C)
862 
863  int (*f_ticket_write)( void *, const mbedtls_ssl_session *,
864  unsigned char *, const unsigned char *, size_t *, uint32_t * );
866  int (*f_ticket_parse)( void *, mbedtls_ssl_session *, unsigned char *, size_t);
867  void *p_ticket;
868 #endif /* MBEDTLS_SSL_SESSION_TICKETS && MBEDTLS_SSL_SRV_C */
869 
870 #if defined(MBEDTLS_SSL_EXPORT_KEYS)
871 
872  int (*f_export_keys)( void *, const unsigned char *,
873  const unsigned char *, size_t, size_t, size_t );
875 #endif
876 
877 #if defined(MBEDTLS_X509_CRT_PARSE_C)
880  mbedtls_x509_crt *ca_chain;
882 #endif /* MBEDTLS_X509_CRT_PARSE_C */
883 
884 #if defined(MBEDTLS_SSL_ASYNC_PRIVATE)
885 #if defined(MBEDTLS_X509_CRT_PARSE_C)
886  mbedtls_ssl_async_sign_t *f_async_sign_start;
887  mbedtls_ssl_async_decrypt_t *f_async_decrypt_start;
888 #endif /* MBEDTLS_X509_CRT_PARSE_C */
889  mbedtls_ssl_async_resume_t *f_async_resume;
890  mbedtls_ssl_async_cancel_t *f_async_cancel;
891  void *p_async_config_data;
892 #endif /* MBEDTLS_SSL_ASYNC_PRIVATE */
893 
894 #if defined(MBEDTLS_KEY_EXCHANGE__WITH_CERT__ENABLED)
895  const int *sig_hashes;
896 #endif
897 
898 #if defined(MBEDTLS_ECP_C)
900 #endif
901 
902 #if defined(MBEDTLS_DHM_C)
905 #endif
906 
907 #if defined(MBEDTLS_KEY_EXCHANGE__SOME__PSK_ENABLED)
908  unsigned char *psk;
911  size_t psk_len;
914  unsigned char *psk_identity;
920 #endif
921 
922 #if defined(MBEDTLS_SSL_ALPN)
923  const char **alpn_list;
924 #endif
925 
926  /*
927  * Numerical settings (int then char)
928  */
929 
930  uint32_t read_timeout;
932 #if defined(MBEDTLS_SSL_PROTO_DTLS)
933  uint32_t hs_timeout_min;
935  uint32_t hs_timeout_max;
937 #endif
938 
939 #if defined(MBEDTLS_SSL_RENEGOTIATION)
941  unsigned char renego_period[8];
943 #endif
944 
945 #if defined(MBEDTLS_SSL_DTLS_BADMAC_LIMIT)
946  unsigned int badmac_limit;
947 #endif
948 
949 #if defined(MBEDTLS_DHM_C) && defined(MBEDTLS_SSL_CLI_C)
950  unsigned int dhm_min_bitlen;
951 #endif
952 
953  unsigned char max_major_ver;
954  unsigned char max_minor_ver;
955  unsigned char min_major_ver;
956  unsigned char min_minor_ver;
958  /*
959  * Flags (bitfields)
960  */
961 
962  unsigned int endpoint : 1;
963  unsigned int transport : 1;
964  unsigned int authmode : 2;
965  /* needed even with renego disabled for LEGACY_BREAK_HANDSHAKE */
966  unsigned int allow_legacy_renegotiation : 2 ;
967 #if defined(MBEDTLS_ARC4_C)
968  unsigned int arc4_disabled : 1;
969 #endif
970 #if defined(MBEDTLS_SSL_MAX_FRAGMENT_LENGTH)
971  unsigned int mfl_code : 3;
972 #endif
973 #if defined(MBEDTLS_SSL_ENCRYPT_THEN_MAC)
974  unsigned int encrypt_then_mac : 1 ;
975 #endif
976 #if defined(MBEDTLS_SSL_EXTENDED_MASTER_SECRET)
977  unsigned int extended_ms : 1;
978 #endif
979 #if defined(MBEDTLS_SSL_DTLS_ANTI_REPLAY)
980  unsigned int anti_replay : 1;
981 #endif
982 #if defined(MBEDTLS_SSL_CBC_RECORD_SPLITTING)
983  unsigned int cbc_record_splitting : 1;
984 #endif
985 #if defined(MBEDTLS_SSL_RENEGOTIATION)
986  unsigned int disable_renegotiation : 1;
987 #endif
988 #if defined(MBEDTLS_SSL_TRUNCATED_HMAC)
989  unsigned int trunc_hmac : 1;
990 #endif
991 #if defined(MBEDTLS_SSL_SESSION_TICKETS)
992  unsigned int session_tickets : 1;
993 #endif
994 #if defined(MBEDTLS_SSL_FALLBACK_SCSV) && defined(MBEDTLS_SSL_CLI_C)
995  unsigned int fallback : 1;
996 #endif
997 #if defined(MBEDTLS_SSL_SRV_C)
998  unsigned int cert_req_ca_list : 1;
1000 #endif
1001 };
1002 
1003 
1005 {
1008  /*
1009  * Miscellaneous
1010  */
1011  int state;
1012 #if defined(MBEDTLS_SSL_RENEGOTIATION)
1017 #endif
1018 
1022 #if defined(MBEDTLS_SSL_DTLS_BADMAC_LIMIT)
1023  unsigned badmac_seen;
1024 #endif
1025 
1031  void *p_bio;
1033  /*
1034  * Session layer
1035  */
1044  /*
1045  * Record layer transformations
1046  */
1052  /*
1053  * Timers
1054  */
1055  void *p_timer;
1060  /*
1061  * Record layer (incoming data)
1062  */
1063  unsigned char *in_buf;
1064  unsigned char *in_ctr;
1067  unsigned char *in_hdr;
1068  unsigned char *in_len;
1069  unsigned char *in_iv;
1070  unsigned char *in_msg;
1071  unsigned char *in_offt;
1074  size_t in_msglen;
1075  size_t in_left;
1076 #if defined(MBEDTLS_SSL_PROTO_DTLS)
1077  uint16_t in_epoch;
1080 #endif
1081 #if defined(MBEDTLS_SSL_DTLS_ANTI_REPLAY)
1082  uint64_t in_window_top;
1083  uint64_t in_window;
1084 #endif
1085 
1086  size_t in_hslen;
1088  int nb_zero;
1093  /*
1094  * Record layer (outgoing data)
1095  */
1096  unsigned char *out_buf;
1097  unsigned char *out_ctr;
1098  unsigned char *out_hdr;
1099  unsigned char *out_len;
1100  unsigned char *out_iv;
1101  unsigned char *out_msg;
1104  size_t out_msglen;
1105  size_t out_left;
1107 #if defined(MBEDTLS_ZLIB_SUPPORT)
1108  unsigned char *compress_buf;
1109 #endif
1110 #if defined(MBEDTLS_SSL_CBC_RECORD_SPLITTING)
1111  signed char split_done;
1112 #endif
1113 
1114  /*
1115  * PKI layer
1116  */
1119  /*
1120  * User settings
1121  */
1122 #if defined(MBEDTLS_X509_CRT_PARSE_C)
1123  char *hostname;
1125 #endif
1126 
1127 #if defined(MBEDTLS_SSL_ALPN)
1128  const char *alpn_chosen;
1129 #endif
1130 
1131  /*
1132  * Information for DTLS hello verify
1133  */
1134 #if defined(MBEDTLS_SSL_DTLS_HELLO_VERIFY) && defined(MBEDTLS_SSL_SRV_C)
1135  unsigned char *cli_id;
1136  size_t cli_id_len;
1137 #endif
1138 
1139  /*
1140  * Secure renegotiation
1141  */
1142  /* needed to know when to send extension on server */
1145 #if defined(MBEDTLS_SSL_RENEGOTIATION)
1147  char own_verify_data[MBEDTLS_SSL_VERIFY_DATA_MAX_LEN];
1148  char peer_verify_data[MBEDTLS_SSL_VERIFY_DATA_MAX_LEN];
1149 #endif
1150 };
1151 
1152 #if defined(MBEDTLS_SSL_HW_RECORD_ACCEL)
1153 
1154 #define MBEDTLS_SSL_CHANNEL_OUTBOUND 0
1155 #define MBEDTLS_SSL_CHANNEL_INBOUND 1
1156 
1157 extern int (*mbedtls_ssl_hw_record_init)(mbedtls_ssl_context *ssl,
1158  const unsigned char *key_enc, const unsigned char *key_dec,
1159  size_t keylen,
1160  const unsigned char *iv_enc, const unsigned char *iv_dec,
1161  size_t ivlen,
1162  const unsigned char *mac_enc, const unsigned char *mac_dec,
1163  size_t maclen);
1164 extern int (*mbedtls_ssl_hw_record_activate)(mbedtls_ssl_context *ssl, int direction);
1165 extern int (*mbedtls_ssl_hw_record_reset)(mbedtls_ssl_context *ssl);
1166 extern int (*mbedtls_ssl_hw_record_write)(mbedtls_ssl_context *ssl);
1167 extern int (*mbedtls_ssl_hw_record_read)(mbedtls_ssl_context *ssl);
1168 extern int (*mbedtls_ssl_hw_record_finish)(mbedtls_ssl_context *ssl);
1169 #endif /* MBEDTLS_SSL_HW_RECORD_ACCEL */
1170 
1179 const char *mbedtls_ssl_get_ciphersuite_name( const int ciphersuite_id );
1180 
1189 int mbedtls_ssl_get_ciphersuite_id( const char *ciphersuite_name );
1190 
1199 
1221  const mbedtls_ssl_config *conf );
1222 
1234 
1241 void mbedtls_ssl_conf_endpoint( mbedtls_ssl_config *conf, int endpoint );
1242 
1257 void mbedtls_ssl_conf_transport( mbedtls_ssl_config *conf, int transport );
1258 
1285 void mbedtls_ssl_conf_authmode( mbedtls_ssl_config *conf, int authmode );
1286 
1287 #if defined(MBEDTLS_X509_CRT_PARSE_C)
1288 
1300  int (*f_vrfy)(void *, mbedtls_x509_crt *, int, uint32_t *),
1301  void *p_vrfy );
1302 #endif /* MBEDTLS_X509_CRT_PARSE_C */
1303 
1312  int (*f_rng)(void *, unsigned char *, size_t),
1313  void *p_rng );
1314 
1330  void (*f_dbg)(void *, int, const char *, int, const char *),
1331  void *p_dbg );
1332 
1364  void *p_bio,
1365  mbedtls_ssl_send_t *f_send,
1366  mbedtls_ssl_recv_t *f_recv,
1367  mbedtls_ssl_recv_timeout_t *f_recv_timeout );
1368 
1385 void mbedtls_ssl_conf_read_timeout( mbedtls_ssl_config *conf, uint32_t timeout );
1386 
1408  void *p_timer,
1409  mbedtls_ssl_set_timer_t *f_set_timer,
1410  mbedtls_ssl_get_timer_t *f_get_timer );
1411 
1431 typedef int mbedtls_ssl_ticket_write_t( void *p_ticket,
1432  const mbedtls_ssl_session *session,
1433  unsigned char *start,
1434  const unsigned char *end,
1435  size_t *tlen,
1436  uint32_t *lifetime );
1437 
1438 #if defined(MBEDTLS_SSL_EXPORT_KEYS)
1439 
1459 typedef int mbedtls_ssl_export_keys_t( void *p_expkey,
1460  const unsigned char *ms,
1461  const unsigned char *kb,
1462  size_t maclen,
1463  size_t keylen,
1464  size_t ivlen );
1465 #endif /* MBEDTLS_SSL_EXPORT_KEYS */
1466 
1490 typedef int mbedtls_ssl_ticket_parse_t( void *p_ticket,
1491  mbedtls_ssl_session *session,
1492  unsigned char *buf,
1493  size_t len );
1494 
1495 #if defined(MBEDTLS_SSL_SESSION_TICKETS) && defined(MBEDTLS_SSL_SRV_C)
1496 
1511  mbedtls_ssl_ticket_write_t *f_ticket_write,
1512  mbedtls_ssl_ticket_parse_t *f_ticket_parse,
1513  void *p_ticket );
1514 #endif /* MBEDTLS_SSL_SESSION_TICKETS && MBEDTLS_SSL_SRV_C */
1515 
1516 #if defined(MBEDTLS_SSL_EXPORT_KEYS)
1517 
1528  mbedtls_ssl_export_keys_t *f_export_keys,
1529  void *p_export_keys );
1530 #endif /* MBEDTLS_SSL_EXPORT_KEYS */
1531 
1532 #if defined(MBEDTLS_SSL_ASYNC_PRIVATE)
1533 
1563 void mbedtls_ssl_conf_async_private_cb( mbedtls_ssl_config *conf,
1564  mbedtls_ssl_async_sign_t *f_async_sign,
1565  mbedtls_ssl_async_decrypt_t *f_async_decrypt,
1566  mbedtls_ssl_async_resume_t *f_async_resume,
1567  mbedtls_ssl_async_cancel_t *f_async_cancel,
1568  void *config_data );
1569 
1578 void *mbedtls_ssl_conf_get_async_config_data( const mbedtls_ssl_config *conf );
1579 
1594 void *mbedtls_ssl_get_async_operation_data( const mbedtls_ssl_context *ssl );
1595 
1607 void mbedtls_ssl_set_async_operation_data( mbedtls_ssl_context *ssl,
1608  void *ctx );
1609 #endif /* MBEDTLS_SSL_ASYNC_PRIVATE */
1610 
1625 typedef int mbedtls_ssl_cookie_write_t( void *ctx,
1626  unsigned char **p, unsigned char *end,
1627  const unsigned char *info, size_t ilen );
1628 
1642 typedef int mbedtls_ssl_cookie_check_t( void *ctx,
1643  const unsigned char *cookie, size_t clen,
1644  const unsigned char *info, size_t ilen );
1645 
1646 #if defined(MBEDTLS_SSL_DTLS_HELLO_VERIFY) && defined(MBEDTLS_SSL_SRV_C)
1647 
1676  mbedtls_ssl_cookie_write_t *f_cookie_write,
1677  mbedtls_ssl_cookie_check_t *f_cookie_check,
1678  void *p_cookie );
1679 
1700  const unsigned char *info,
1701  size_t ilen );
1702 
1703 #endif /* MBEDTLS_SSL_DTLS_HELLO_VERIFY && MBEDTLS_SSL_SRV_C */
1704 
1705 #if defined(MBEDTLS_SSL_DTLS_ANTI_REPLAY)
1706 
1721 void mbedtls_ssl_conf_dtls_anti_replay( mbedtls_ssl_config *conf, char mode );
1722 #endif /* MBEDTLS_SSL_DTLS_ANTI_REPLAY */
1723 
1724 #if defined(MBEDTLS_SSL_DTLS_BADMAC_LIMIT)
1725 
1748 void mbedtls_ssl_conf_dtls_badmac_limit( mbedtls_ssl_config *conf, unsigned limit );
1749 #endif /* MBEDTLS_SSL_DTLS_BADMAC_LIMIT */
1750 
1751 #if defined(MBEDTLS_SSL_PROTO_DTLS)
1752 
1783 void mbedtls_ssl_conf_handshake_timeout( mbedtls_ssl_config *conf, uint32_t min, uint32_t max );
1784 #endif /* MBEDTLS_SSL_PROTO_DTLS */
1785 
1786 #if defined(MBEDTLS_SSL_SRV_C)
1787 
1825  void *p_cache,
1826  int (*f_get_cache)(void *, mbedtls_ssl_session *),
1827  int (*f_set_cache)(void *, const mbedtls_ssl_session *) );
1828 #endif /* MBEDTLS_SSL_SRV_C */
1829 
1830 #if defined(MBEDTLS_SSL_CLI_C)
1831 
1846 #endif /* MBEDTLS_SSL_CLI_C */
1847 
1864  const int *ciphersuites );
1865 
1886  const int *ciphersuites,
1887  int major, int minor );
1888 
1889 #if defined(MBEDTLS_X509_CRT_PARSE_C)
1890 
1901  const mbedtls_x509_crt_profile *profile );
1902 
1915  mbedtls_x509_crt *ca_chain,
1916  mbedtls_x509_crl *ca_crl );
1917 
1947  mbedtls_x509_crt *own_cert,
1948  mbedtls_pk_context *pk_key );
1949 #endif /* MBEDTLS_X509_CRT_PARSE_C */
1950 
1951 #if defined(MBEDTLS_KEY_EXCHANGE__SOME__PSK_ENABLED)
1952 
1973  const unsigned char *psk, size_t psk_len,
1974  const unsigned char *psk_identity, size_t psk_identity_len );
1975 
1976 
1990  const unsigned char *psk, size_t psk_len );
1991 
2017  int (*f_psk)(void *, mbedtls_ssl_context *, const unsigned char *,
2018  size_t),
2019  void *p_psk );
2020 #endif /* MBEDTLS_KEY_EXCHANGE__SOME__PSK_ENABLED */
2021 
2022 #if defined(MBEDTLS_DHM_C) && defined(MBEDTLS_SSL_SRV_C)
2023 
2024 #if !defined(MBEDTLS_DEPRECATED_REMOVED)
2025 
2026 #if defined(MBEDTLS_DEPRECATED_WARNING)
2027 #define MBEDTLS_DEPRECATED __attribute__((deprecated))
2028 #else
2029 #define MBEDTLS_DEPRECATED
2030 #endif
2031 
2046  const char *dhm_P,
2047  const char *dhm_G );
2048 
2049 #endif /* MBEDTLS_DEPRECATED_REMOVED */
2050 
2065  const unsigned char *dhm_P, size_t P_len,
2066  const unsigned char *dhm_G, size_t G_len );
2067 
2078 #endif /* MBEDTLS_DHM_C && defined(MBEDTLS_SSL_SRV_C) */
2079 
2080 #if defined(MBEDTLS_DHM_C) && defined(MBEDTLS_SSL_CLI_C)
2081 
2090  unsigned int bitlen );
2091 #endif /* MBEDTLS_DHM_C && MBEDTLS_SSL_CLI_C */
2092 
2093 #if defined(MBEDTLS_ECP_C)
2094 
2122  const mbedtls_ecp_group_id *curves );
2123 #endif /* MBEDTLS_ECP_C */
2124 
2125 #if defined(MBEDTLS_KEY_EXCHANGE__WITH_CERT__ENABLED)
2126 
2145  const int *hashes );
2146 #endif /* MBEDTLS_KEY_EXCHANGE__WITH_CERT__ENABLED */
2147 
2148 #if defined(MBEDTLS_X509_CRT_PARSE_C)
2149 
2167 int mbedtls_ssl_set_hostname( mbedtls_ssl_context *ssl, const char *hostname );
2168 #endif /* MBEDTLS_X509_CRT_PARSE_C */
2169 
2170 #if defined(MBEDTLS_SSL_SERVER_NAME_INDICATION)
2171 
2184  mbedtls_x509_crt *own_cert,
2185  mbedtls_pk_context *pk_key );
2186 
2199  mbedtls_x509_crt *ca_chain,
2200  mbedtls_x509_crl *ca_crl );
2201 
2213  int authmode );
2214 
2239  int (*f_sni)(void *, mbedtls_ssl_context *, const unsigned char *,
2240  size_t),
2241  void *p_sni );
2242 #endif /* MBEDTLS_SSL_SERVER_NAME_INDICATION */
2243 
2244 #if defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED)
2245 
2262 int mbedtls_ssl_set_hs_ecjpake_password( mbedtls_ssl_context *ssl,
2263  const unsigned char *pw,
2264  size_t pw_len );
2265 #endif /*MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED */
2266 
2267 #if defined(MBEDTLS_SSL_ALPN)
2268 
2280 int mbedtls_ssl_conf_alpn_protocols( mbedtls_ssl_config *conf, const char **protos );
2281 
2291 const char *mbedtls_ssl_get_alpn_protocol( const mbedtls_ssl_context *ssl );
2292 #endif /* MBEDTLS_SSL_ALPN */
2293 
2310 void mbedtls_ssl_conf_max_version( mbedtls_ssl_config *conf, int major, int minor );
2311 
2330 void mbedtls_ssl_conf_min_version( mbedtls_ssl_config *conf, int major, int minor );
2331 
2332 #if defined(MBEDTLS_SSL_FALLBACK_SCSV) && defined(MBEDTLS_SSL_CLI_C)
2333 
2352 void mbedtls_ssl_conf_fallback( mbedtls_ssl_config *conf, char fallback );
2353 #endif /* MBEDTLS_SSL_FALLBACK_SCSV && MBEDTLS_SSL_CLI_C */
2354 
2355 #if defined(MBEDTLS_SSL_ENCRYPT_THEN_MAC)
2356 
2368 #endif /* MBEDTLS_SSL_ENCRYPT_THEN_MAC */
2369 
2370 #if defined(MBEDTLS_SSL_EXTENDED_MASTER_SECRET)
2371 
2383 #endif /* MBEDTLS_SSL_EXTENDED_MASTER_SECRET */
2384 
2385 #if defined(MBEDTLS_ARC4_C)
2386 
2401 void mbedtls_ssl_conf_arc4_support( mbedtls_ssl_config *conf, char arc4 );
2402 #endif /* MBEDTLS_ARC4_C */
2403 
2404 #if defined(MBEDTLS_SSL_SRV_C)
2405 
2415  char cert_req_ca_list );
2416 #endif /* MBEDTLS_SSL_SRV_C */
2417 
2418 #if defined(MBEDTLS_SSL_MAX_FRAGMENT_LENGTH)
2419 
2434 int mbedtls_ssl_conf_max_frag_len( mbedtls_ssl_config *conf, unsigned char mfl_code );
2435 #endif /* MBEDTLS_SSL_MAX_FRAGMENT_LENGTH */
2436 
2437 #if defined(MBEDTLS_SSL_TRUNCATED_HMAC)
2438 
2446 void mbedtls_ssl_conf_truncated_hmac( mbedtls_ssl_config *conf, int truncate );
2447 #endif /* MBEDTLS_SSL_TRUNCATED_HMAC */
2448 
2449 #if defined(MBEDTLS_SSL_CBC_RECORD_SPLITTING)
2450 
2462 #endif /* MBEDTLS_SSL_CBC_RECORD_SPLITTING */
2463 
2464 #if defined(MBEDTLS_SSL_SESSION_TICKETS) && defined(MBEDTLS_SSL_CLI_C)
2465 
2475 void mbedtls_ssl_conf_session_tickets( mbedtls_ssl_config *conf, int use_tickets );
2476 #endif /* MBEDTLS_SSL_SESSION_TICKETS && MBEDTLS_SSL_CLI_C */
2477 
2478 #if defined(MBEDTLS_SSL_RENEGOTIATION)
2479 
2496 void mbedtls_ssl_conf_renegotiation( mbedtls_ssl_config *conf, int renegotiation );
2497 #endif /* MBEDTLS_SSL_RENEGOTIATION */
2498 
2526 void mbedtls_ssl_conf_legacy_renegotiation( mbedtls_ssl_config *conf, int allow_legacy );
2527 
2528 #if defined(MBEDTLS_SSL_RENEGOTIATION)
2529 
2566 void mbedtls_ssl_conf_renegotiation_enforced( mbedtls_ssl_config *conf, int max_records );
2567 
2594  const unsigned char period[8] );
2595 #endif /* MBEDTLS_SSL_RENEGOTIATION */
2596 
2636 
2653 
2665 uint32_t mbedtls_ssl_get_verify_result( const mbedtls_ssl_context *ssl );
2666 
2674 const char *mbedtls_ssl_get_ciphersuite( const mbedtls_ssl_context *ssl );
2675 
2683 const char *mbedtls_ssl_get_version( const mbedtls_ssl_context *ssl );
2684 
2696 
2697 #if defined(MBEDTLS_SSL_MAX_FRAGMENT_LENGTH)
2698 
2715 #endif /* MBEDTLS_SSL_MAX_FRAGMENT_LENGTH */
2716 
2717 #if defined(MBEDTLS_X509_CRT_PARSE_C)
2718 
2733 #endif /* MBEDTLS_X509_CRT_PARSE_C */
2734 
2735 #if defined(MBEDTLS_SSL_CLI_C)
2736 
2753 #endif /* MBEDTLS_SSL_CLI_C */
2754 
2791 
2812 
2813 #if defined(MBEDTLS_SSL_RENEGOTIATION)
2814 
2833 #endif /* MBEDTLS_SSL_RENEGOTIATION */
2834 
2891 int mbedtls_ssl_read( mbedtls_ssl_context *ssl, unsigned char *buf, size_t len );
2892 
2930 int mbedtls_ssl_write( mbedtls_ssl_context *ssl, const unsigned char *buf, size_t len );
2931 
2949  unsigned char level,
2950  unsigned char message );
2965 
2972 
2984 
3001  int endpoint, int transport, int preset );
3002 
3009 
3016 
3024 
3025 #ifdef __cplusplus
3026 }
3027 #endif
3028 
3029 #endif /* ssl.h */
uint64_t in_window_top
Definition: ssl.h:1082
mbedtls_ssl_send_t * f_send
Definition: ssl.h:1026
void * p_rng
Definition: ssl.h:825
const char ** alpn_list
Definition: ssl.h:923
unsigned int transport
Definition: ssl.h:963
unsigned char * in_ctr
Definition: ssl.h:1064
mbedtls_x509_crt * peer_cert
Definition: ssl.h:783
unsigned char * out_msg
Definition: ssl.h:1101
unsigned int trunc_hmac
Definition: ssl.h:989
unsigned char * in_len
Definition: ssl.h:1068
unsigned char * in_buf
Definition: ssl.h:1063
unsigned int endpoint
Definition: ssl.h:962
Public key container.
Definition: pk.h:128
void mbedtls_ssl_set_hs_ca_chain(mbedtls_ssl_context *ssl, mbedtls_x509_crt *ca_chain, mbedtls_x509_crl *ca_crl)
Set the data required to verify peer certificate for the current handshake.
int mbedtls_ssl_ticket_parse_t(void *p_ticket, mbedtls_ssl_session *session, unsigned char *buf, size_t len)
Callback type: parse and load session ticket.
Definition: ssl.h:1490
mbedtls_mpi dhm_P
Definition: ssl.h:903
unsigned char max_minor_ver
Definition: ssl.h:954
const char * mbedtls_ssl_get_ciphersuite_name(const int ciphersuite_id)
Return the name of the ciphersuite associated with the given ID.
void mbedtls_ssl_conf_encrypt_then_mac(mbedtls_ssl_config *conf, char etm)
Enable or disable Encrypt-then-MAC (Default: MBEDTLS_SSL_ETM_ENABLED)
unsigned char min_minor_ver
Definition: ssl.h:956
int mbedtls_ssl_cookie_write_t(void *ctx, unsigned char **p, unsigned char *end, const unsigned char *info, size_t ilen)
Callback type: generate a cookie.
Definition: ssl.h:1625
unsigned char * in_hdr
Definition: ssl.h:1067
size_t psk_identity_len
Definition: ssl.h:917
unsigned int dhm_min_bitlen
Definition: ssl.h:950
int mbedtls_ssl_cookie_check_t(void *ctx, const unsigned char *cookie, size_t clen, const unsigned char *info, size_t ilen)
Callback type: verify a cookie.
Definition: ssl.h:1642
void * p_sni
Definition: ssl.h:836
void mbedtls_ssl_set_timer_cb(mbedtls_ssl_context *ssl, void *p_timer, mbedtls_ssl_set_timer_t *f_set_timer, mbedtls_ssl_get_timer_t *f_get_timer)
Set the timer callbacks (Mandatory for DTLS.)
unsigned char * ticket
Definition: ssl.h:788
struct mbedtls_ssl_sig_hash_set_t mbedtls_ssl_sig_hash_set_t
Definition: ssl.h:548
size_t ticket_len
Definition: ssl.h:789
void mbedtls_ssl_conf_extended_master_secret(mbedtls_ssl_config *conf, char ems)
Enable or disable Extended Master Secret negotiation. (Default: MBEDTLS_SSL_EXTENDED_MS_ENABLED) ...
unsigned char * out_iv
Definition: ssl.h:1100
mbedtls_ssl_transform * transform_in
Definition: ssl.h:1047
size_t in_left
Definition: ssl.h:1075
unsigned int authmode
Definition: ssl.h:964
int mbedtls_ssl_send_t(void *ctx, const unsigned char *buf, size_t len)
Callback type: send data on the network.
Definition: ssl.h:448
unsigned int badmac_limit
Definition: ssl.h:946
void * p_psk
Definition: ssl.h:848
void mbedtls_ssl_conf_fallback(mbedtls_ssl_config *conf, char fallback)
Set the fallback flag (client-side only). (Default: MBEDTLS_SSL_IS_NOT_FALLBACK). ...
unsigned int anti_replay
Definition: ssl.h:980
int mbedtls_ssl_recv_t(void *ctx, unsigned char *buf, size_t len)
Callback type: receive data from the network.
Definition: ssl.h:471
unsigned int fallback
Definition: ssl.h:995
const mbedtls_ecp_group_id * curve_list
Definition: ssl.h:899
This file provides an API for Elliptic Curves over GF(P) (ECP).
void mbedtls_ssl_conf_cbc_record_splitting(mbedtls_ssl_config *conf, char split)
Enable / Disable 1/n-1 record splitting (Default: MBEDTLS_SSL_CBC_RECORD_SPLITTING_ENABLED) ...
unsigned char _pms_dhm[MBEDTLS_MPI_MAX_SIZE]
Definition: ssl.h:371
void * p_cache
Definition: ssl.h:831
void mbedtls_ssl_conf_verify(mbedtls_ssl_config *conf, int(*f_vrfy)(void *, mbedtls_x509_crt *, int, uint32_t *), void *p_vrfy)
Set the verification callback (Optional).
unsigned int cert_req_ca_list
Definition: ssl.h:998
unsigned char _pms_rsa[48]
Definition: ssl.h:368
unsigned char _pms_ecdh[MBEDTLS_ECP_MAX_BYTES]
Definition: ssl.h:377
uint32_t ticket_lifetime
Definition: ssl.h:790
void mbedtls_ssl_conf_renegotiation(mbedtls_ssl_config *conf, int renegotiation)
Enable / Disable renegotiation support for connection when initiated by peer (Default: MBEDTLS_SSL_RE...
mbedtls_ssl_session * session_in
Definition: ssl.h:1036
int mbedtls_ssl_conf_dh_param_bin(mbedtls_ssl_config *conf, const unsigned char *dhm_P, size_t P_len, const unsigned char *dhm_G, size_t G_len)
Set the Diffie-Hellman public P and G values from big-endian binary presentations. (Default values: MBEDTLS_DHM_RFC3526_MODP_2048_[PG]_BIN)
unsigned badmac_seen
Definition: ssl.h:1023
void mbedtls_ssl_conf_dtls_anti_replay(mbedtls_ssl_config *conf, char mode)
Enable or disable anti-replay protection for DTLS. (DTLS only, no effect on TLS.) Default: enabled...
mbedtls_ssl_get_timer_t * f_get_timer
Definition: ssl.h:1058
Configuration options (set of defines)
void mbedtls_ssl_conf_max_version(mbedtls_ssl_config *conf, int major, int minor)
Set the maximum supported version sent from the client side and/or accepted at the server side (Defau...
uint32_t mbedtls_ssl_get_verify_result(const mbedtls_ssl_context *ssl)
Return the result of the certificate verification.
void mbedtls_ssl_conf_session_tickets_cb(mbedtls_ssl_config *conf, mbedtls_ssl_ticket_write_t *f_ticket_write, mbedtls_ssl_ticket_parse_t *f_ticket_parse, void *p_ticket)
Configure SSL session ticket callbacks (server only). (Default: none.)
mbedtls_x509_crl * ca_crl
Definition: ssl.h:881
int mbedtls_ssl_check_pending(const mbedtls_ssl_context *ssl)
Check if there is data already read from the underlying transport but not yet processed.
mbedtls_ssl_session * session_out
Definition: ssl.h:1037
const mbedtls_x509_crt * mbedtls_ssl_get_peer_cert(const mbedtls_ssl_context *ssl)
Return the peer certificate from the current connection.
int mbedtls_ssl_send_alert_message(mbedtls_ssl_context *ssl, unsigned char level, unsigned char message)
Send an alert message.
int mbedtls_ssl_recv_timeout_t(void *ctx, unsigned char *buf, size_t len, uint32_t timeout)
Callback type: receive data from the network, with timeout.
Definition: ssl.h:497
SSL Ciphersuites for mbed TLS.
mbedtls_ssl_transform * transform_out
Definition: ssl.h:1048
unsigned char mfl_code
Definition: ssl.h:794
void mbedtls_ssl_conf_renegotiation_period(mbedtls_ssl_config *conf, const unsigned char period[8])
Set record counter threshold for periodic renegotiation. (Default: 2^48 - 1)
unsigned int mfl_code
Definition: ssl.h:971
Multi-precision integer library.
int encrypt_then_mac
Definition: ssl.h:802
size_t in_hslen
Definition: ssl.h:1086
int mbedtls_ssl_conf_psk(mbedtls_ssl_config *conf, const unsigned char *psk, size_t psk_len, const unsigned char *psk_identity, size_t psk_identity_len)
Set the Pre Shared Key (PSK) and the expected identity name.
int mbedtls_ssl_conf_max_frag_len(mbedtls_ssl_config *conf, unsigned char mfl_code)
Set the maximum fragment length to emit and/or negotiate (Default: MBEDTLS_SSL_MAX_CONTENT_LEN, usually 2^14 bytes) (Server: set maximum fragment length to emit, usually negotiated by the client during handshake (Client: set maximum fragment length to emit and negotiate with the server during handshake)
time_t mbedtls_time_t
Definition: platform_time.h:53
int mbedtls_ssl_write(mbedtls_ssl_context *ssl, const unsigned char *buf, size_t len)
Try to write exactly 'len' application data bytes.
void mbedtls_ssl_conf_cert_req_ca_list(mbedtls_ssl_config *conf, char cert_req_ca_list)
Whether to send a list of acceptable CAs in CertificateRequest messages. (Default: do send) ...
void mbedtls_ssl_conf_min_version(mbedtls_ssl_config *conf, int major, int minor)
Set the minimum accepted SSL/TLS protocol version (Default: TLS 1.0)
uint64_t in_window
Definition: ssl.h:1083
int mbedtls_ssl_close_notify(mbedtls_ssl_context *ssl)
Notify the peer that the connection is being closed.
struct mbedtls_ssl_flight_item mbedtls_ssl_flight_item
Definition: ssl.h:553
void * p_cookie
Definition: ssl.h:858
void mbedtls_ssl_conf_session_tickets(mbedtls_ssl_config *conf, int use_tickets)
Enable / Disable session tickets (client only). (Default: MBEDTLS_SSL_SESSION_TICKETS_ENABLED.)
void mbedtls_ssl_conf_ciphersuites_for_version(mbedtls_ssl_config *conf, const int *ciphersuites, int major, int minor)
Set the list of allowed ciphersuites and the preference order for a specific version of the protocol...
mbedtls_ssl_transform * transform
Definition: ssl.h:1049
uint32_t hs_timeout_min
Definition: ssl.h:933
mbedtls_ssl_handshake_params * handshake
Definition: ssl.h:1041
void mbedtls_ssl_free(mbedtls_ssl_context *ssl)
Free referenced items in an SSL context and clear memory.
void mbedtls_ssl_conf_export_keys_cb(mbedtls_ssl_config *conf, mbedtls_ssl_export_keys_t *f_export_keys, void *p_export_keys)
Configure key export callback. (Default: none.)
void mbedtls_ssl_conf_endpoint(mbedtls_ssl_config *conf, int endpoint)
Set the current endpoint type.
size_t out_left
Definition: ssl.h:1105
void mbedtls_ssl_session_free(mbedtls_ssl_session *session)
Free referenced items in an SSL session including the peer certificate and clear memory.
void mbedtls_ssl_conf_arc4_support(mbedtls_ssl_config *conf, char arc4)
Disable or enable support for RC4 (Default: MBEDTLS_SSL_ARC4_DISABLED)
unsigned char * in_msg
Definition: ssl.h:1070
void mbedtls_ssl_conf_sig_hashes(mbedtls_ssl_config *conf, const int *hashes)
Set the allowed hashes for signatures during the handshake. (Default: all available hashes except MD5...
unsigned char min_major_ver
Definition: ssl.h:955
struct mbedtls_ssl_transform mbedtls_ssl_transform
Definition: ssl.h:546
mbedtls_ssl_set_timer_t * f_set_timer
Definition: ssl.h:1057
const char * mbedtls_ssl_get_alpn_protocol(const mbedtls_ssl_context *ssl)
Get the name of the negotiated Application Layer Protocol. This function should be called after the h...
void mbedtls_ssl_conf_dhm_min_bitlen(mbedtls_ssl_config *conf, unsigned int bitlen)
Set the minimum length for Diffie-Hellman parameters. (Client-side only.) (Default: 1024 bits...
void mbedtls_ssl_conf_dtls_cookies(mbedtls_ssl_config *conf, mbedtls_ssl_cookie_write_t *f_cookie_write, mbedtls_ssl_cookie_check_t *f_cookie_check, void *p_cookie)
Register callbacks for DTLS cookies (Server only. DTLS only.)
mbedtls_ssl_key_cert * key_cert
Definition: ssl.h:879
MBEDTLS_DEPRECATED int mbedtls_ssl_conf_dh_param(mbedtls_ssl_config *conf, const char *dhm_P, const char *dhm_G)
Set the Diffie-Hellman public P and G values, read as hexadecimal strings (server-side only) (Default...
mbedtls_ssl_recv_t * f_recv
Definition: ssl.h:1027
int mbedtls_ssl_get_ciphersuite_id(const char *ciphersuite_name)
Return the ID of the ciphersuite associated with the given name.
void mbedtls_ssl_conf_transport(mbedtls_ssl_config *conf, int transport)
Set the transport type (TLS or DTLS). Default: TLS.
mbedtls_ssl_session * session_negotiate
Definition: ssl.h:1039
mbedtls_ssl_states
Definition: ssl.h:407
void mbedtls_ssl_conf_sni(mbedtls_ssl_config *conf, int(*f_sni)(void *, mbedtls_ssl_context *, const unsigned char *, size_t), void *p_sni)
Set server side ServerName TLS extension callback (optional, server-side only).
const int * sig_hashes
Definition: ssl.h:895
void mbedtls_ssl_conf_renegotiation_enforced(mbedtls_ssl_config *conf, int max_records)
Enforce renegotiation requests. (Default: enforced, max_records = 16)
#define MBEDTLS_DEPRECATED
Definition: ssl.h:2027
int mbedtls_ssl_set_client_transport_id(mbedtls_ssl_context *ssl, const unsigned char *info, size_t ilen)
Set client's transport-level identification info. (Server only. DTLS only.)
void mbedtls_ssl_set_bio(mbedtls_ssl_context *ssl, void *p_bio, mbedtls_ssl_send_t *f_send, mbedtls_ssl_recv_t *f_recv, mbedtls_ssl_recv_timeout_t *f_recv_timeout)
Set the underlying BIO callbacks for write, read and read-with-timeout.
size_t id_len
Definition: ssl.h:778
unsigned int encrypt_then_mac
Definition: ssl.h:974
void * p_bio
Definition: ssl.h:1031
unsigned int cbc_record_splitting
Definition: ssl.h:983
void mbedtls_ssl_conf_rng(mbedtls_ssl_config *conf, int(*f_rng)(void *, unsigned char *, size_t), void *p_rng)
Set the random number generator callback.
int mbedtls_ssl_conf_alpn_protocols(mbedtls_ssl_config *conf, const char **protos)
Set the supported Application Layer Protocols.
void mbedtls_ssl_conf_cert_profile(mbedtls_ssl_config *conf, const mbedtls_x509_crt_profile *profile)
Set the X.509 security profile used for verification.
unsigned char _pms_ecdhe_psk[4+MBEDTLS_ECP_MAX_BYTES+MBEDTLS_PSK_MAX_LEN]
Definition: ssl.h:391
void * p_vrfy
Definition: ssl.h:842
const mbedtls_x509_crt_profile * cert_profile
Definition: ssl.h:878
void * p_timer
Definition: ssl.h:1055
This file contains Diffie-Hellman-Merkle (DHM) key exchange definitions and functions.
X.509 certificate parsing and writing.
void mbedtls_ssl_conf_session_cache(mbedtls_ssl_config *conf, void *p_cache, int(*f_get_cache)(void *, mbedtls_ssl_session *), int(*f_set_cache)(void *, const mbedtls_ssl_session *))
Set the session cache callbacks (server-side only) If not set, no session resuming is done (except if...
#define MBEDTLS_PSK_MAX_LEN
Definition: ssl.h:361
unsigned int session_tickets
Definition: ssl.h:992
void mbedtls_ssl_conf_truncated_hmac(mbedtls_ssl_config *conf, int truncate)
Activate negotiation of truncated HMAC (Default: MBEDTLS_SSL_TRUNC_HMAC_DISABLED) ...
mbedtls_ssl_session * session
Definition: ssl.h:1038
unsigned char * in_iv
Definition: ssl.h:1069
void mbedtls_ssl_init(mbedtls_ssl_context *ssl)
Initialize an SSL context Just makes the context ready for mbedtls_ssl_setup() or mbedtls_ssl_free() ...
mbedtls_ssl_transform * transform_negotiate
Definition: ssl.h:1050
const char * mbedtls_ssl_get_ciphersuite(const mbedtls_ssl_context *ssl)
Return the name of the current ciphersuite.
mbedtls_ecp_group_id
Definition: ecp.h:67
unsigned char * out_ctr
Definition: ssl.h:1097
int secure_renegotiation
Definition: ssl.h:1143
int mbedtls_ssl_get_timer_t(void *ctx)
Callback type: get status of timers/delays.
Definition: ssl.h:538
The DHM context structure.
Definition: dhm.h:99
const mbedtls_ssl_config * conf
Definition: ssl.h:1006
void mbedtls_ssl_conf_dbg(mbedtls_ssl_config *conf, void(*f_dbg)(void *, int, const char *, int, const char *), void *p_dbg)
Set the debug callback.
unsigned char * in_offt
Definition: ssl.h:1071
unsigned int extended_ms
Definition: ssl.h:977
unsigned char max_major_ver
Definition: ssl.h:953
unsigned char * psk
Definition: ssl.h:908
void mbedtls_ssl_config_init(mbedtls_ssl_config *conf)
Initialize an SSL configuration context Just makes the context ready for mbedtls_ssl_config_defaults(...
int mbedtls_ssl_get_record_expansion(const mbedtls_ssl_context *ssl)
Return the (maximum) number of bytes added by the record layer: header + encryption/MAC overhead (inc...
const char * alpn_chosen
Definition: ssl.h:1128
This file contains ECDH definitions and functions.
int mbedtls_ssl_conf_dh_param_ctx(mbedtls_ssl_config *conf, mbedtls_dhm_context *dhm_ctx)
Set the Diffie-Hellman public P and G values, read from existing context (server-side only) ...
mbedtls_mpi dhm_G
Definition: ssl.h:904
int mbedtls_ssl_set_session(mbedtls_ssl_context *ssl, const mbedtls_ssl_session *session)
Request resumption of session (client-side only) Session data is copied from presented session struct...
#define MBEDTLS_MPI_MAX_SIZE
Definition: bignum.h:77
unsigned int disable_renegotiation
Definition: ssl.h:986
void * p_export_keys
Definition: ssl.h:874
char * hostname
Definition: ssl.h:1123
int mbedtls_ssl_set_hs_own_cert(mbedtls_ssl_context *ssl, mbedtls_x509_crt *own_cert, mbedtls_pk_context *pk_key)
Set own certificate and key for the current handshake.
int mbedtls_ssl_conf_own_cert(mbedtls_ssl_config *conf, mbedtls_x509_crt *own_cert, mbedtls_pk_context *pk_key)
Set own certificate chain and private key.
int mbedtls_ssl_setup(mbedtls_ssl_context *ssl, const mbedtls_ssl_config *conf)
Set up an SSL context for use.
size_t out_msglen
Definition: ssl.h:1104
uint32_t read_timeout
Definition: ssl.h:930
void mbedtls_ssl_conf_legacy_renegotiation(mbedtls_ssl_config *conf, int allow_legacy)
Prevent or allow legacy renegotiation. (Default: MBEDTLS_SSL_LEGACY_NO_RENEGOTIATION) ...
unsigned char _pms_rsa_psk[52+MBEDTLS_PSK_MAX_LEN]
Definition: ssl.h:387
int mbedtls_ssl_renegotiate(mbedtls_ssl_context *ssl)
Initiate an SSL renegotiation on the running connection. Client: perform the renegotiation right now...
int mbedtls_ssl_export_keys_t(void *p_expkey, const unsigned char *ms, const unsigned char *kb, size_t maclen, size_t keylen, size_t ivlen)
Callback type: Export key block and master secret.
Definition: ssl.h:1459
unsigned char * out_len
Definition: ssl.h:1099
unsigned int arc4_disabled
Definition: ssl.h:968
uint32_t hs_timeout_max
Definition: ssl.h:935
MPI structure.
Definition: bignum.h:180
X.509 certificate revocation list parsing.
void mbedtls_ssl_conf_psk_cb(mbedtls_ssl_config *conf, int(*f_psk)(void *, mbedtls_ssl_context *, const unsigned char *, size_t), void *p_psk)
Set the PSK callback (server-side only).
unsigned char * cli_id
Definition: ssl.h:1135
int renego_max_records
Definition: ssl.h:940
mbedtls_ssl_recv_timeout_t * f_recv_timeout
Definition: ssl.h:1028
mbedtls_x509_crt * ca_chain
Definition: ssl.h:880
void mbedtls_ssl_conf_read_timeout(mbedtls_ssl_config *conf, uint32_t timeout)
Set the timeout period for mbedtls_ssl_read() (Default: no timeout.)
size_t verify_data_len
Definition: ssl.h:1146
void mbedtls_ssl_config_free(mbedtls_ssl_config *conf)
Free an SSL configuration context.
unsigned char * psk_identity
Definition: ssl.h:914
int mbedtls_ssl_read(mbedtls_ssl_context *ssl, unsigned char *buf, size_t len)
Read at most 'len' application data bytes.
struct mbedtls_ssl_key_cert mbedtls_ssl_key_cert
Definition: ssl.h:550
void mbedtls_ssl_set_timer_t(void *ctx, uint32_t int_ms, uint32_t fin_ms)
Callback type: set a pair of timers/delays to watch.
Definition: ssl.h:523
size_t mbedtls_ssl_get_bytes_avail(const mbedtls_ssl_context *ssl)
Return the number of application data bytes remaining to be read from the current record...
unsigned char _pms_dhe_psk[4+MBEDTLS_MPI_MAX_SIZE+MBEDTLS_PSK_MAX_LEN]
Definition: ssl.h:384
size_t next_record_offset
Definition: ssl.h:1078
unsigned char * out_buf
Definition: ssl.h:1096
size_t psk_len
Definition: ssl.h:911
void mbedtls_ssl_session_init(mbedtls_ssl_session *session)
Initialize SSL session structure.
void * p_dbg
Definition: ssl.h:821
int mbedtls_ssl_ticket_write_t(void *p_ticket, const mbedtls_ssl_session *session, unsigned char *start, const unsigned char *end, size_t *tlen, uint32_t *lifetime)
Callback type: generate and write session ticket.
Definition: ssl.h:1431
size_t cli_id_len
Definition: ssl.h:1136
void mbedtls_ssl_conf_handshake_timeout(mbedtls_ssl_config *conf, uint32_t min, uint32_t max)
Set retransmit timeout values for the DTLS handshake. (DTLS only, no effect on TLS.)
mbed TLS Platform time abstraction
int mbedtls_ssl_config_defaults(mbedtls_ssl_config *conf, int endpoint, int transport, int preset)
Load reasonnable default SSL configuration values. (You need to call mbedtls_ssl_config_init() first...
void mbedtls_ssl_conf_ca_chain(mbedtls_ssl_config *conf, mbedtls_x509_crt *ca_chain, mbedtls_x509_crl *ca_crl)
Set the data required to verify peer certificate.
void mbedtls_ssl_conf_curves(mbedtls_ssl_config *conf, const mbedtls_ecp_group_id *curves)
Set the allowed curves in order of preference. (Default: all defined curves.)
int renego_records_seen
Definition: ssl.h:1014
unsigned char * out_hdr
Definition: ssl.h:1098
void mbedtls_ssl_conf_dtls_badmac_limit(mbedtls_ssl_config *conf, unsigned limit)
Set a limit on the number of records with a bad MAC before terminating the connection. (DTLS only, no effect on TLS.) Default: 0 (disabled).
unsigned char _pms_psk[4+2 *MBEDTLS_PSK_MAX_LEN]
Definition: ssl.h:380
uint32_t verify_result
Definition: ssl.h:785
int mbedtls_ssl_handshake(mbedtls_ssl_context *ssl)
Perform the SSL handshake.
void mbedtls_ssl_set_hs_authmode(mbedtls_ssl_context *ssl, int authmode)
Set authmode for the current handshake.
unsigned int allow_legacy_renegotiation
Definition: ssl.h:966
mbedtls_md_type_t
Supported message digests.
Definition: md.h:56
int keep_current_message
Definition: ssl.h:1090
signed char split_done
Definition: ssl.h:1111
int mbedtls_ssl_handshake_step(mbedtls_ssl_context *ssl)
Perform a single step of the SSL handshake.
const char * mbedtls_ssl_get_version(const mbedtls_ssl_context *ssl)
Return the current SSL version (SSLv3/TLSv1/etc)
void mbedtls_ssl_conf_authmode(mbedtls_ssl_config *conf, int authmode)
Set the certificate verification mode Default: NONE on server, REQUIRED on client.
int mbedtls_ssl_session_reset(mbedtls_ssl_context *ssl)
Reset an already initialized SSL context for re-use while retaining application-set variables...
int mbedtls_ssl_set_hostname(mbedtls_ssl_context *ssl, const char *hostname)
Set or reset the hostname to check against the received server certificate. It sets the ServerName TL...
struct mbedtls_ssl_handshake_params mbedtls_ssl_handshake_params
Definition: ssl.h:547
#define MBEDTLS_ECP_MAX_BYTES
Definition: ecp.h:199
int mbedtls_ssl_set_hs_psk(mbedtls_ssl_context *ssl, const unsigned char *psk, size_t psk_len)
Set the Pre Shared Key (PSK) for the current handshake.
int mbedtls_ssl_get_session(const mbedtls_ssl_context *ssl, mbedtls_ssl_session *session)
Save session in order to resume it later (client-side only) Session data is copied to presented sessi...
void * p_ticket
Definition: ssl.h:867
void mbedtls_ssl_conf_ciphersuites(mbedtls_ssl_config *conf, const int *ciphersuites)
Set the list of allowed ciphersuites and the preference order. First in the list has the highest pref...
size_t mbedtls_ssl_get_max_frag_len(const mbedtls_ssl_context *ssl)
Return the maximum fragment length (payload, in bytes). This is the value negotiated with peer if any...
#define MBEDTLS_SSL_VERIFY_DATA_MAX_LEN
Definition: ssl.h:245
mbedtls_time_t start
Definition: ssl.h:774
size_t in_msglen
Definition: ssl.h:1074
uint16_t in_epoch
Definition: ssl.h:1077